Akiba So
99b98b96b0
Make on-device OCR a pluggable local service so it runs locally on every platform (not just Windows), aimed at GoodNotes/Notability-class handwriting on low-power hardware (e.g. Zen2 APU, CPU/iGPU). - New OcrBackend abstraction (lib/services/ocr/): selector prefers an embedded ONNX recognition backend, falling back to the OS-native backend (Windows WinRT), and to a clean no-op when neither is available. - OnnxRecognitionBackend: flutter_onnxruntime session from a bundled asset, dart:ui preprocessing (resize to 48px, CHW float32, normalized), pure-Dart CTC greedy decode. Fully guarded — absent model/dict is a no-op; never throws. - ocr_engine.dart kept as a thin facade (recognizeImage) delegating to the selector, so ocr_service.dart is unchanged. - CtcDecoder unit-tested (6 tests). flutter analyze clean; all tests pass. - Model is not committed; tool/fetch_ocr_model.sh + assets/models/ocr/README.md document fetching PP-OCRv4 rec + dict on the dev machine. - CI: forward HTTPS_PROXY to the Windows build so CMake can fetch the ONNX Runtime native lib behind the GFW; README documents the system-install alternative. PP-OCR geometry/blank assumptions documented for on-device tuning. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
82 lines
1.9 KiB
YAML
82 lines
1.9 KiB
YAML
name: badnote
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description: "BadNote - Local-first Surface Pen note-taking with PDF/PPT annotation"
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publish_to: 'none'
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version: 0.1.0+1
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environment:
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sdk: ^3.10.8
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dependencies:
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flutter:
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sdk: flutter
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cupertino_icons: ^1.0.8
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# Pen & Ink Rendering
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perfect_freehand: ^1.0.0
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# PDF
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syncfusion_flutter_pdfviewer: ^28.2.7
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syncfusion_flutter_pdf: ^28.2.7
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# Used directly by ThumbnailService to render PDF pages off-screen.
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syncfusion_pdfviewer_platform_interface: ^28.2.7
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# State Management
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flutter_riverpod: ^2.6.1
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riverpod_annotation: ^2.6.1
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# Local Storage
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sqflite: ^2.4.2
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sqflite_common_ffi: ^2.3.4+4
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path_provider: ^2.1.5
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path: ^1.9.1
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# Data Classes
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freezed_annotation: ^2.4.4
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json_annotation: ^4.9.0
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uuid: ^4.5.1
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# UI Utilities
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google_fonts: ^6.2.1
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flutter_colorpicker: ^1.1.0
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# Settings persistence
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shared_preferences: ^2.3.0
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# Cross-platform file picker
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file_picker: ^8.0.0
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# Camera / image picker
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image_picker: ^1.1.2
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# Embedded ONNX runtime (local OCR recognition backend)
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flutter_onnxruntime: ^1.8.0
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dev_dependencies:
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flutter_test:
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sdk: flutter
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flutter_lints: ^6.0.0
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# Code Generation
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build_runner: ^2.4.14
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riverpod_generator: ^2.6.3
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freezed: ^2.5.8
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json_serializable: ^6.9.4
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flutter:
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uses-material-design: true
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assets:
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- assets/models/ocr/
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# Use vendored, hash-verified sqlite3 native binaries (committed under
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# vendor/sqlite3/) instead of downloading them from GitHub releases at build
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# time. This keeps builds fully local/offline — important behind the GFW where
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# the GitHub download times out — and deterministic. To support another
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# platform/arch, drop its official release binary into vendor/sqlite3/ (the
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# build validates each file's SHA-256 against the sqlite3 package).
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hooks:
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user_defines:
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sqlite3:
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source: test-sqlite3
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directory: vendor/sqlite3/
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